Leather Conversion Chart Used for gauging leather thickness

Millimeter

Ounces

Ounces

Fractional

1.60

4.00

1/16"

2.00

5.00

5/64"

2.40

6.00

3/32"

2.80

7.00

7/64"

3.20

8.00

1/8"

3.60

8.00

9.00

9/64"